Answer:
The correct answer is - frequency.
Explanation:
VHF and UHF are the frequency that is used to describe television station's fields. VHF stands for "very high frequency" and UHF stands for "ultra high frequency" in which UHF is a higher frequency that can easily penetrate through buildings and use for TV signals and communications whereas VHF used for radio signals. UHF can range from 378-870 MHz while VHF ranges from low band 49-216 MHz.
